Information Exposure Affecting perf package, versions <0:4.18.0-372.91.1.el8_6


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.07% (33rd percentile)

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  • Snyk IDSNYK-RHEL8-PERF-6237506
  • published8 Feb 2024
  • disclosed8 Aug 2023

Introduced: 8 Aug 2023

CVE-2023-20569  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade RHEL:8 perf to version 0:4.18.0-372.91.1.el8_6 or higher.
This issue was patched in RHSA-2024:0724.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.

CVSS Scores

version 3.1